   #PHP Manual Class/Object Functions get_declared_classes
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                                get_object_vars

   (PHP 4 )
   get_object_vars -- Returns an associative array of object properties

Description

   array get_object_vars ( object obj)

   This function returns an associative array of defined object
   properties for the specified object obj.

     Note: In versions prior to PHP 4.2.0, if the variables declared in
     the class of which the obj is an instance, have not been assigned a
     value, those will not be returned in the array. In versions after
     PHP 4.2.0, the key will be assigned with a NULL value.

   Example 1. Use of get_object_vars()
   <?php
   class Point2D {
       var $x, $y;
       var $label;
       function Point2D($x, $y) {
           $this->x = $x;
           $this->y = $y;
       }
       function setLabel($label) {
           $this->label = $label;
       }
       function getPoint() {
           return array("x" => $this->x,
                        "y" => $this->y,
                        "label" => $this->label);
       }
   }
   // "$label" is declared but not defined
   $p1 = new Point2D(1.233, 3.445);
   print_r(get_object_vars($p1));
   $p1->setLabel("point #1");
   print_r(get_object_vars($p1));
   ?>

   The printout of the above program will be:
Array
 (
     [x] => 1.233
     [y] => 3.445
     [label] =>
 )

 Array
 (
     [x] => 1.233
     [y] => 3.445
     [label] => point #1
 )

   See also get_class_methods() and get_class_vars()!
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